EP 4109056 A1 20221228 - FLUID LEVEL SENSING DEVICE
Title (en)
FLUID LEVEL SENSING DEVICE
Title (de)
FLÜSSIGKEITSFÜLLSTANDSMESSVORRICHTUNG
Title (fr)
DISPOSITIF DE DÉTECTION DE NIVEAU DE LIQUIDE
Publication
Application
Priority
US 202117352566 A 20210621
Abstract (en)
A fluid level sensing device (106) for monitoring a fluid level (F) in an engine container comprises a floating device moveable in response to changes in the fluid level (F), the floating device (404) including a magnetic element (406), and a sensing circuit comprising at least one solid state magnetic sensor (502) and at least one transistor (504) electrically connected to the at least one solid state magnetic sensor (502). The magnetic element (406) is configured to activate the at least one solid state magnetic sensor (502) when the floating device (404) is proximate thereto, the at least one solid state magnetic sensor (502) configured to, when activated, drive the at least one transistor (504) to generate a sensing signal indicative of the fluid level (F).
IPC 8 full level
G01F 23/72 (2006.01); G01D 5/14 (2006.01); G01D 5/252 (2006.01); G01F 23/62 (2006.01); G01F 23/74 (2006.01); H01H 36/02 (2006.01)
CPC (source: EP US)
G01D 5/145 (2013.01 - EP); G01F 23/62 (2013.01 - EP); G01F 23/72 (2013.01 - EP US); G01F 23/74 (2013.01 - EP); G01R 33/072 (2013.01 - EP); G01R 33/091 (2013.01 - EP); G01R 33/12 (2013.01 - EP)
Citation (search report)
- [XAI] EP 3742133 A1 20201125 - SAIER BEATRICE [DE], et al
- [XA] EP 2336734 A1 20110622 - DELPHI TECH INC [US]
- [XI] CN 202216737 U 20120509 - DONGGUAN OUMATE ELECTRONICS TECHNOLOGY CO LTD
- [A] EP 3835732 A1 20210616 - BLECKMANN GMBH & CO KG [AT]
- [A] US 5421193 A 19950606 - CARLIN JOHN A [US], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4109056 A1 20221228; CA 3162756 A1 20221221; US 2022404188 A1 20221222
DOCDB simple family (application)
EP 22180267 A 20220621; CA 3162756 A 20220614; US 202117352566 A 20210621